<template>
  <div id="app">
    <h2>测试题</h2>
    <subject v-for="(result,index) in list" :key="index" :index="index"
     @result="resultFn"
     ></subject>
    <div>
      <flag v-for="(result,index) in list" :key="index" :result="result" :index="index"></flag>
    </div>
  </div>
</template>

<script>
import subject from "./components/Subject"
import flag from "./components/Flag"
export default {
   components: {
       subject,
       flag
   },
   data () {
       return {
           list:["未完成","未完成","未完成","未完成","未完成"]
       }
   },
   methods: {
       resultFn(resultStr, index){
         this.$set(this.list , index, resultStr)
         
       }
   }
};
</script>

<style>
body {
  background-color: #eee;
}

#app {
  background-color: #fff;
  width: 500px;
  margin: 50px auto;
  box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.5);
  padding: 2em;
}
</style>